Desa VMH3000TNA installation manual Check GAS Type, Installation Items, Locating Heater

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NATURAL GAS RESIDENTIAL HEATERS

INSTALLATION

NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circu- late the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.

WARNING: A qualified ser- vice person must install heater. Follow all local codes.

CHECK GAS TYPE

Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater.

INSTALLATION ITEMS

Before installing heater, make sure you have the items listed below.

• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
•	ground joint union
• test gauge connection *
•	sediment trap

LOCATING HEATER

WARNING: Maintain the mini- mum clearances shown in Figure

9.If you can, provide greater clear- ances from floor, ceiling, and join- ing wall.

You can locate heater on floor. The op- tional hearth base is needed. You can also install optional decorative mantels on the heater (some mantels require the hearth base). IMPORTANT: Only use optional mantels and hearth base specified in this manual. Purchase the optional mantel and hearth base from your dealer. See Accesso- ries, page 23.

The heater may also be mounted on a wall. You cannot use optional mantel if mounting heater on a wall.

WARNING: Never install the heater

•in a bedroom or bathroom

•in a recreational vehicle

•where curtains, furniture, clothing, or other flammable objects are less than 42 inches from the front, top, or sides of the heater

•as a fireplace insert

•in high traffic areas

•in windy or drafty areas

CEILING

CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as to- bacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may discolor walls.

IMPORTANT: Vent-free heaters add mois- ture to the air. Although this is beneficial, installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture. See Air for Com- bustion and Ventilation, pages 5 through 7.

CAUTION: If you install the heater in a home garage

•heater pilot and burner must be at least 18 inches above floor.

•locate heater where moving ve- hicle will not hit it.

For convenience and efficiency, install heater

•where there is easy access for operation, inspection, and service.

•in coldest part of room.

An optional fan kit is available from your dealer. See Accessories, page 23. If plan- ning to use fan, locate heater near an electri- cal outlet.

• tee joint

• pipe wrench

6" Minimum From Sides Of Heater

36"

Minimum

*A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Pur- chase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 23.

Left	Right
Side	Side

	Minimum to
	Top Surface
	3" of Carpeting,
FLOOR	Tile, or Other
	Combustible
	Material

Figure 9 - Mounting Clearances As Viewed From Front of Heater

For more information, visit www.desatech.com 8 107097